20526120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 72558720

約数和(自身を除く): 52032600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 67, 69, 72, 74, 90, 92, 111, 115, 120, 134, 138, 148, 180, 184, 185, 201, 207, 222, 230, 268, 276, 296, 333, 335, 345, 360, 370, 402, 414, 444, 460, 536, 552, 555, 603, 666, 670, 690, 740, 804, 828, 851, 888, 920, 1005, 1035, 1110, 1206, 1332, 1340, 1380, 1480, 1541, 1608, 1656, 1665, 1702, 2010, 2070, 2220, 2412, 2479, 2553, 2664, 2680, 2760, 3015, 3082, 3330, 3404, 4020, 4140, 4255, 4440, 4623, 4824, 4958, 5106, 6030, 6164, 6660, 6808, 7437, 7659, 7705, 8040, 8280, 8510, 9246, 9916, 10212, 12060, 12328, 12395, 12765, 13320, 13869, 14874, 15318, 15410, 17020, 18492, 19832, 20424, 22311, 23115, 24120, 24790, 25530, 27738, 29748, 30636, 30820, 34040, 36984, 37185, 38295, 44622, 46230, 49580, 51060, 55476, 57017, 59496, 61272, 61640, 69345, 74370, 76590, 89244, 92460, 99160, 102120, 110952, 111555, 114034, 138690, 148740, 153180, 171051, 178488, 184920, 223110, 228068, 277380, 285085, 297480, 306360, 342102, 446220, 456136, 513153, 554760, 570170, 684204, 855255, 892440, 1026306, 1140340, 1368408, 1710510, 2052612, 2280680, 2565765, 3421020, 4105224, 5131530, 6842040, 10263060, 20526120]

約数ペア:

[(1, 20526120), (2, 10263060), (3, 6842040), (4, 5131530), (5, 4105224), (6, 3421020), (8, 2565765), (9, 2280680), (10, 2052612), (12, 1710510), (15, 1368408), (18, 1140340), (20, 1026306), (23, 892440), (24, 855255), (30, 684204), (36, 570170), (37, 554760), (40, 513153), (45, 456136), (46, 446220), (60, 342102), (67, 306360), (69, 297480), (72, 285085), (74, 277380), (90, 228068), (92, 223110), (111, 184920), (115, 178488), (120, 171051), (134, 153180), (138, 148740), (148, 138690), (180, 114034), (184, 111555), (185, 110952), (201, 102120), (207, 99160), (222, 92460), (230, 89244), (268, 76590), (276, 74370), (296, 69345), (333, 61640), (335, 61272), (345, 59496), (360, 57017), (370, 55476), (402, 51060), (414, 49580), (444, 46230), (460, 44622), (536, 38295), (552, 37185), (555, 36984), (603, 34040), (666, 30820), (670, 30636), (690, 29748), (740, 27738), (804, 25530), (828, 24790), (851, 24120), (888, 23115), (920, 22311), (1005, 20424), (1035, 19832), (1110, 18492), (1206, 17020), (1332, 15410), (1340, 15318), (1380, 14874), (1480, 13869), (1541, 13320), (1608, 12765), (1656, 12395), (1665, 12328), (1702, 12060), (2010, 10212), (2070, 9916), (2220, 9246), (2412, 8510), (2479, 8280), (2553, 8040), (2664, 7705), (2680, 7659), (2760, 7437), (3015, 6808), (3082, 6660), (3330, 6164), (3404, 6030), (4020, 5106), (4140, 4958), (4255, 4824), (4440, 4623)]